Discharge spout for corn huskers



1,647,714 T.- H. OPPENHEIM ET AL DISCHARGE SPOUT FOR CORN HUSKERS Filed May 1926 a Sheets-Sheet 1 Nov. 1, 1927.

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T. H. OPPENHEIM ET AL DISC HARGE SPOUT FOR CORN HUSKERS 3 Sheets-Sheet 2 Filed May 6. 1926 1 Snow, J

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Patented Nov. 1, 1927.

UNITED STATES THEODORE H. OPPEHHEIM ABTD BERNAE tar/gin PATENT OFFICE.

B SELEORS'I', OE C1QLIMTTATEli, OHIO, AS-

SIGN'ORS TO THE NEW IDEA SPREADER (30., OF CQLD'WATER, OHIO, A CORYORA- TION OF OHIO.

Application filed May v6,

This invention relates to the discharge spouts of corn huskers, threshing machines and the like, and the object is to provide a blower discharge spout of novel form which may be easily set to deliver the material passing therethrough at any desired point and also be capable of such adjustment that an opening will be provided giving access to the blower and the discharge pipe in order that any accumulations may be removed. In the operation of corn huskers, threshing machines and similar machines in which fodder, waste material or other matters are driven off by the use of a pneumatic blast, the blower or blast-creating element is generally located at the lower end of a discharge pipe which extends some distance from the machine and communicates with the blower through a flexible elbow, the elbow being mounted for rotative movement so that the outlet end of the discharge pipe may be disposed so as to discharge the material at a desired point. It frequently happens that material collects in the elbow or in the discharge pipe or in the blower casing so that the passage through these parts is choked and it becomes necessary to suspend operations and clean out the blower or the pipe. With the constructions heretofore employed and now known to us, obtaining access to the interior'of the blower casing and the discharge pipe is exceedingly diflicult inasmuch as it is necessary toremove or disconnect the end of the elbow from the reducer nozzle or section rising from the blowercasing and upon which the elbow is rotatably mounted. Our invention provides a construction whereby an opening may be obtained between the elbow'and the blower affording ample access to the blower and the elbow so that the choking material may be easily and quickly removed, the elbow remaining connected to the reducer section or the turntable and the parts being so arranged that all of the ordinary adjustments of the discharge spout may be: effected without interfering with any of the other parts of the machine. One embodiment of the invention is illustrated in the accompanying drawings and will be hereinafter fully described, the novel features being subsequently particularly pointed out in the appended claims.

In the drawings:

Figure l is a side elevation of a portion DISCHARGE SPOUT FOR CORN HUSKERS.

Fig. 3 is a top plan view of the basering or upper end of the reducer section;

Fig. .4 is a side elevation showing the elbow arranged to permit access to the interior thereof and to the blower;

Fig, 5 is a horizontal section on the line as 5-5 of Fig. 2.

The reference numeral 1 indicates the rear end portion of a corn-husking machine, and 2 indicates the blower casing mounted thereon with a reducer section 3 rising there 7 from.. Around the upper end of the reducer section '8 is riveted or otherwise rigidly secured a base ring 4 which is provided with or has secured thereto at one side external flat face lugs 5 to which braces 6, extending from the rear end of the main frame and from the rear deck 7 of the machine, are secured whereby the said reducer section and the blower casing will be braced and rigidly held in position. It will be understood that 30 the lugs 5 are disposed nearer the central longitudinal plane of the machine, and at the outerside of the base ring 4 are provided bearing lugs 8 in which is mounted a shaft 9 having a crank 10 or formed to receive a handle orv actuating element. Between the lugs 8, a worm 11 is formed on or secured to the shaft, and this worm meshes with a gear ring 12 which is connected with the elbow so that, when the shaft 9 is rotated, the gear ring and the elbow will be rotated about a vertical aXis and the discharge pipe consequently set at any desired angular relation to the machine. The base ring 4: is provided at its upper end with an outstanding annular flange or rib 13 and in the edge of this flange are formed notches 14 whereby bosses 15 on the gear ring may be slipped downwardly past the flange so as to be'brought into position below the same.

Resting upon the upper edge of the base ring 4L and the flange 13 thereon is a turntable or annulus 16 which is constructed at its lower edge with a reentrant flange 17 adapted to fit around the flange or rim 13 of the base ring, as shown clearly in Fig. 9-, whereby relative vertical movement of the turntable will be limited and practically prevented while rotative movement about a vertical axis will be permitted. The gear ring 12 is secured to the reentrant flange 17 by bolts 18 inserted therethrough at the bosses 15, as shown in Fig. 2, so that, when rotation is imparted to the gear ring, the turntable will be'likewise moved. In order to facilitate the assembling of the turntable with the base ring, it is made in two semi-annular sections or members provided at their meet ing ends with mating lugs or flanges 19 through which a fastening bolt 20 is inserted.

The flexible elbow consists of a series of similar annular members 21 tapering toward their upper ends and having their lower ends flared, as shown at 22, whereby each section may fit over the upper end of a lower section, the several sections being pivoted together by pivot pins, rivets or bolts 23 inserted through the side walls of the several sections at diametrically opposlte points and fitted with suitable washers or liners so that the walls of the sections will be reinforced at the pivotal points and flat meeting bearing faces will be provided to receive the wear. The pivotal connection between the sect-ions is a well known structure and is not illustrated in detail inasmuch as, in itself. it forms no part of our invention. It will be understood that the several sections of the elbow are preferably constructed of sheet metal and may be reinforced by employin a plurality of plies or otherwise. The flared portions 22 of the several sections are disposed at the inner side of the are which is defined by the sections when the elbow is folded or bent in order that the elbow may be given as sharp a turn as may be deemed desirable, and at the opposite side, or the outer side of the arc defined by the bent or folded elbow, a stop lug 24 is secured upon each section to receive the thrust of an upper section so that the movement of the sections toward a straight or axially alined relation will be limited and the sections cannot be swung to a completely reversed position. The outermost or uppermost section 21 is provided with a collar 25 which reinforces the end of said section and braces it at the point of connection with the main body 26 of the discharge pipe. In the practice of our invention, a chain or other strong flexible member 27 is attached to this collar 25 at the upper side of the pipe and is provided at its free end with a hook 28, the purpose of which will presently appear. Upon the turntable 16, we provide hinge lugs 29 so located that, when the pipe 26 extends rearwardly from the corn husker or other machine, the hinge lugs will be at the rear of the turntable. Fixed around the lower end of the lowermost sect-ion of the elbow is a collar or ring 30 provided with hinge lugs 31 mating with the hinge lugs 29 to receive a pintle 32 whereby the said collar will be hinged to the turntable. At the opposite side of the collar 30 is provided a lug 33 preferably circular in cross section and adapted to receive a tubular handle member 34. The use of the tubular handle member 34 furnishes more extended leverage to lift the elbow about the pintle 32 but it is possible, in some instances, to effect the.

desired pivotal lifting by applying force directly to the lug or stud 33. Ordinarly the end thrust of the elbow and the pipe 26 will hold the collar 30 firmly against the turntable 16 and, in fact, holds it with suflicient firmness to require the application of considerable force in order to lift the elbow from the turntable but, in order that the strain upon the pintle 32 in rotating the elbow and the discharge pipe may be reduced or overcome, we provide a bolt 35 which may be inserted through registering lugs, as 36, upon the collar and the turn table so that an additional. means to lock the collar and the turntable together will be furnished.

In the normal position of the parts, the elbow rests upon the turntable which, in turn, rests upon the base ring 4, as shown in Figs. 1 and 2, the flexible connection 27 hanging free. Should the passage through the elbow and the discharge pipe be choked, the bolt 35 is removed and an operator standing upon the deck 7 exerts an upward lifting force upon the handle 34 so that the lower section of the elbow is swung about the pintle 32 and an opening is produced between the lowest section of the elbow and the turntable. When the lower end of the elbow is thus swung about its hinged mounting. the elbow tends to straighten and the chain or its equivalent 27 is then brought into play by engaging the hook 28 around. the handle 34 or the stud 33, as shown in Fig. 4, to hold the elbow sections in their axially alined relation. It will be understood that the outer portion of the pipe 26 is supported by a cable attached thereto and extending to a windlass or winding shaft, indicated at 37, which is mounted in any convenient manner upon the frame of the machine, being preferably carried by a mast 38 which also constitutes the guiding support for the cable. If this cable be paid out the pipe 26 will be permitted to move down-- wardly and this action will, of course, tend to move the elbow away from the turntable so that the opening thereby produced will be ample to permit the workman to insert his arm into the elbow or into the reducer 3 and remove any accumulations. Collapse of the elbow is positively prevented by the chain 27 extending between the collar 25 at the outer end of the elbow and the handle 34 so that the workman may operate without any fear of injury. The opening or gap produced by moving the elbow pivotally, as described. is of such capacity that the operator may in sert his entire arm and a portion of his shoulder into the reducer or the elbow, as

. the case may be, and if he should even then be unable to reach all of the obstacles a rod may be inserted so that the entire elbow and pipe may be cleared. When the device is applied to a corn husker of our construction, the deck 7 may be removed if it should happen that material has accumulated in the blower casing which cannot be reached through the reducer pipe section 3, and such material may be then removed through the entrance to the blower casing.

It will be understood that the handle may be permanently secured to the collar 30 but as a removable handle is advantageous in storage or transportation, we prefer to employ the tubular handle 34 illustrated.

1 This handle member may be long enough to furnish leverage suflicient for all purposes and at the same time be short enough to clear the mast 38 when the discharge pipe is turned in setting the machine for use. The chain 27 maintains the elbow firmly in its straightened position with the lowest or base section thereof spaced from the turntable so that there is no danger of the elbow section pinching the operator While he is at work. Heretofore, an opening has sometimes been provided in the back of the blower casing to permit access thereto when necessary, but such opening did not aflord access to the blower pipe and elbow, and inasmuch as choking usually starts in the flexible elbow or in the reducer immediately below the elbow the cleaning operation was very laborious and time-consuming inasmuch as it was necessary to remove the blower pipe in order to clear it. Our invention eliminates the necessity for removing the blower pipe and provides an opening therein at such a place that the operator, without removing or separating the pipe, can easily clean the reducer and the blower or the elbow and the blower pipe.

It is to be understood that we do not limit ourselves to the precise details of construction herein shown and specifically described as various changes may be made in the minor details without departing from the spirit or scope of the invention as the same is defined in the following claims.

Having thus described the invention, we claim:

1. In a blower discharge spout, the combination of a base section, an upper section resting thereon and rotatable about the axis thereof, and a flexible elbow hinged to and normally resting on said upper section whereby it may have relative rocking movement to aflord access to the interior of the elbow and both sections.

2. A blower discharge pipe comprising a turntable, a flexible elbow normally resting on the turntable, hinge connections between the elbow and the turntable whereby the elbow may be set in spaced relation to the turntable to facilitate removal of obstructions and means to prevent flexing of the elbow when it is set in spaced relation to the turntable.

3. In a blower discharge pipe, the combination of a blower, a turntable thereon, a flexible elbow hinged to the turntable and provided with a projection at its lower end opposite the hinge connection with the turntable, and a restraining element carried by the upper end of the elbow and engageable around said projection whereby to hold the elbow against flexing when it is swung about its hinge connection with the turntable.

4. In a blower discharge pipe, the combination of a supporting section, a turntable mounted upon said section, means for rotating the turntable on the supporting section, anda flexible elbow hinged to and normally resting on the turntable.

5. In a blower discharge pipe, the combination of a base ring having an outstanding annular flange at its upper end, a turntable resting on said base ring and said flange and provided with a reentrant flange fitting around the flange on the base ring, a gear ring secured to the said reentrant flange, means mounted on the base ring cooperating with said gear ring for rotating the turntable, a flexible elbow, a collar fixed around the lower end of the elbow, hinge connections between said collar and the turntable, and a handle member on said collar whereby the elbow may be lifted pivotally from the turntable.

6. In a blower discharge pipe, the combination of a fixed section constituting the outlet of a blower, a turntable mounted on said section, a flexible elbow hinged to the turntable whereby it may rest thereon or be partly spaced therefrom, and means to prevent flexing of the elbow.

7. A blower discharge pipe including an upstanding section, an upper section mounted on the upstanding section to rotate about the vertical axis thereof and to rock laterally thereon, and means for maintaining the sections in partly separated relation whereby to permit access to the interior of all the sections.

8. In a blower discharge pipe, the combination of a blower outlet, and a flexible elbow connected with the blower outlet to rotate about the axis thereof and to rock laterally thereon whereby to disclose a clean-out opening between the blower outlet and the elbow. I

In testimony whereof, we aflix our signatures.

THEODORE H. OPPENHEIM. he BERNARD SELHORST. 1,. 8.] 

